Loans and Allowance for Loan Losses - Allowance, Additional Information (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Allowance, impairment methodology
Loans individually evaluated for impairment	$ 2,379	$ 2,056
Loans collectively evaluated for impairment	818,188	601,254
Total Loans	820,567	603,310
Construction land and Farmland
Allowance, impairment methodology
Loans individually evaluated for impairment		541
Loans collectively evaluated for impairment	138,118	79,953
Total Loans	138,118	80,494
Residential
Allowance, impairment methodology
Loans individually evaluated for impairment	353	168
Loans collectively evaluated for impairment	146,046	115,584
Total Loans	146,399	115,752
Nonfarm nonresidential
Allowance, impairment methodology
Loans individually evaluated for impairment	1,265	1,086
Loans collectively evaluated for impairment	283,357	194,753
Total Loans	284,622	195,839
Commercial
Allowance, impairment methodology
Loans individually evaluated for impairment	740	223
Loans collectively evaluated for impairment	245,384	206,878
Total Loans	246,124	207,101
Consumer
Allowance, impairment methodology
Loans individually evaluated for impairment	21	38
Loans collectively evaluated for impairment	5,283	4,086
Total Loans	$ 5,304	$ 4,124

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- Definition

The balance of financing receivables that were collectively evaluated for impairment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-Subparagraph (h)
-URI http://asc.fasb.org/extlink&oid=35738203&loc=SL6953423-111524

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- Definition

The balance of financing receivables that were individually evaluated for impairment.

+ References

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- Definition

Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

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